One day, black men from a distant land came to stay at Mai's home as exchange students. Unable to speak English, Mai struggled daily to communicate, but growing stressed by their refusal to adapt to Japanese culture, she finally snapped and lashed out. Immediately afterward, while Mai was taking a shower, one of the black men barged in and suddenly began raping her. He then dragged her to the bed where he and his friends took turns violently raping her, cumming inside her repeatedly. Mai managed to drive the black men out, but what happens next defies all imagination...